# Current Electricity · Physics · MHT CET

Start Practice## MCQ (Single Correct Answer)

MHT CET 2023 14th May Evening Shift

When moving coil galvanometer (MCG) is converted into a voltmeter, the series resistance is '$$n$$' times the resistance of galvanometer. How many tim...

MHT CET 2023 14th May Evening Shift

In potentiometer experiment, the balancing length is $$8 \mathrm{~m}$$ when two cells $$E_1$$ and $$E_2$$ are joined in series. When two cells are con...

MHT CET 2023 14th May Morning Shift

A wire of length $$3 \mathrm{~m}$$ connected in the left gap of a meter-bridge balances $$8 \Omega$$ resistance in the right gap at a point, which div...

MHT CET 2023 14th May Morning Shift

Five current carrying conductors meet at point $$\mathrm{P}$$. What is the magnitude and direction of the current in conductor $$\mathrm{PQ}$$?
...

MHT CET 2023 13th May Evening Shift

A $$10 \mathrm{~m}$$ long wire of resistance $$20 \Omega$$ is connected in series with a battery of emf $$3 \mathrm{~V}$$ (negligible internal resista...

MHT CET 2023 13th May Evening Shift

Only $$4 \%$$ of the total current in the circuit passes through a galvanometer. If the resistance of the galvanometer is $$G$$, then the shunt resist...

MHT CET 2023 13th May Morning Shift

Two cells $$E_1$$ and $$E_2$$ having equal EMF '$$E$$' and internal resistances $$r_1$$ and $$r_2\left(r_1>r_2\right)$$ respectively are connected in ...

MHT CET 2023 13th May Morning Shift

In a given meter bridge, the current flowing through $$40 \Omega$$ resistor is
...

MHT CET 2023 12th May Evening Shift

A potentiometer wire of length $$4 \mathrm{~m}$$ and resistance $$5 ~\Omega$$ is connected in series with a resistance of $$992 ~\Omega$$ and a cell o...

MHT CET 2023 12th May Evening Shift

Two resistance $$\mathrm{X}$$ and $$\mathrm{Y}$$ are connected in the two gaps of a meterbridge and the null points is obtained at $$20 \mathrm{~cm}$$...

MHT CET 2023 12th May Morning Shift

Resistance of a potentiometer wire is $$2 \Omega / \mathrm{m}$$. A cell of e.m.f. $$1.5 \mathrm{~V}$$ balances at $$300 \mathrm{~cm}$$. The current th...

MHT CET 2023 12th May Morning Shift

A potentiometer wire has length of $$5 \mathrm{~m}$$ and resistance of $$16 \Omega$$. The driving cell has an e.m.f. of $$5 \mathrm{~V}$$ and an inter...

MHT CET 2023 11th May Evening Shift

Two batteries, one of e.m.f. $$12 \mathrm{~V}$$ and internal resistance $$2 \Omega$$ and other of e.m.f. $$6 \mathrm{~V}$$ and internal resistance $$1...

MHT CET 2023 11th May Evening Shift

Potential difference between the points P and Q is nearly
...

MHT CET 2023 11th May Morning Shift

Potential difference between the points P and Q is nearly
...

MHT CET 2023 11th May Morning Shift

In potentiometer experiments, two cells of e. m. f. '$$E_1$$' and '$$E_2$$' are connected in series $$\left(E_1>E_2\right)$$, the balancing length is ...

MHT CET 2023 10th May Evening Shift

In meter bridge experiment, null point was obtained at a distance '$$l$$' from left end. The values of resistances in the left and right gap are doubl...

MHT CET 2023 10th May Evening Shift

A galvanometer has resistance '$$\mathrm{G}$$' and range '$$\mathrm{V} g$$'. How much resistance is required to read voltage upto '$$\mathrm{V}$$' vol...

MHT CET 2023 10th May Morning Shift

If only $$1 \%$$ of total current is passed through a galvanometer of resistance '$$G$$' then the resistance of the shunt is

MHT CET 2023 10th May Morning Shift

A voltmeter of resistance $$150 \Omega$$ connected across a cell of e.m.f. $$3 \mathrm{~V}$$ reads $$2.5 \mathrm{~V}$$. What is the internal resistanc...

MHT CET 2023 9th May Evening Shift

A galvanometer of resistance $$20 ~\Omega$$ gives a deflection of 5 divisions when $$1 \mathrm{~mA}$$ current flows through it. The galvanometer scale...

MHT CET 2023 9th May Evening Shift

Five current carrying conductors meet at a point '$$\mathrm{O}$$' as shown in figure. The magnitude and direction of the current in conductor '$$O P$$...

MHT CET 2023 9th May Morning Shift

A galvanometer of resistance $$\mathrm{G}$$ is shunted with a resistance of $$10 \%$$ of $$\mathrm{G}$$. The part of the total current that flows thro...

MHT CET 2023 9th May Morning Shift

In a meter bridge experiment null point is obtained at $$l \mathrm{~cm}$$ from the left end. If the meter bridge wire is replaced by a wire of same ma...

MHT CET 2022 11th August Evening Shift

In the following network, the current through galvanometer will
...

MHT CET 2022 11th August Evening Shift

A galvanometer of resistance $$200 \Omega$$ is to be converted into an ammeter. The value of shunt resistance which allows $$3 \%$$ of the mains curre...

MHT CET 2021 24th September Evening Shift

The current drawn from the battery in the given network is (Internal resistance of the battery is negligible)
...

MHT CET 2021 24th September Evening Shift

In the following electrical network, the value of 1 is
...

MHT CET 2021 24th September Morning Shift

In a potentiometer experiement, when three cells $$\mathrm{A}, \mathrm{B}$$ and $$\mathrm{C}$$ are connected in series, the balancing length is found ...

MHT CET 2021 23rd September Evening Shift

To determine the internal resistance of a cell by using a potentiometer, the null point is at $$1 \mathrm{~m}$$ when shunted by $$3 \Omega$$ resistanc...

MHT CET 2021 23rd September Evening Shift

In the given circuit, the current in 8$$\Omega$$ resistance is 1.5 A. The total current (I) flowing in the circuit is
...

MHT CET 2021 23th September Morning Shift

A balanced bridge is shown in the circuit diagram. The metre bridge wire has resistance $$1 \Omega \mathrm{m}^{-1}$$. The current drawn from the batte...

MHT CET 2021 23th September Morning Shift

In potentiometer experiment, cells of e.m.f. '$$E_1$$' and '$$E_2$$' are connected in series $$\left(E_1>E_2\right)$$ the balancing length is $$64 \ma...

MHT CET 2021 22th September Evening Shift

In a potentiometer experiment, the balancing length for a cell is $$240 \mathrm{~cm}$$. On shunting the cell with a resistance of $$2 \Omega$$, the ba...

MHT CET 2021 22th September Evening Shift

Kirchhoff's current and voltage law are respectively based on the conservation of

MHT CET 2021 22th September Morning Shift

In a wheatstone's bridge, three resistances $$\mathrm{P}, \mathrm{Q}$$ and $$\mathrm{R}$$ are connected in the three arms and the fourth arm is formed...

MHT CET 2021 22th September Morning Shift

If a current flowing in a coil is reduced to half of its initial value, the relation between the new energy $$\left(E_2\right)$$ and the original ener...

MHT CET 2021 22th September Morning Shift

The Kirchhoff's current law and voltage law are respectively based upon the conservation of

MHT CET 2021 21th September Evening Shift

A moving coil galvanometer is converted into an ammeter, reading upto $$0.04 \mathrm{~A}$$ by connecting a shunt of resistance '$$3 \mathrm{r}$$' acro...

MHT CET 2021 21th September Evening Shift

A current through 1 $$\Omega$$ resistance in the following circuit is
...

MHT CET 2021 21th September Morning Shift

In a meter bridge experiment, the balance point is obtained at length $$\ell_1 \mathrm{~cm}$$ from left end when resistances in the left gap and right...

MHT CET 2021 21th September Morning Shift

Two wires '$$\mathrm{A}$$' and '$$\mathrm{B}$$' of equal length are connected in left and right gap respectively of meter bridge, null point is obtain...

MHT CET 2021 20th September Evening Shift

A galvanometer has resistance '$$\mathrm{G}$$' $$\Omega$$ and '$$\mathrm{I}_{\mathrm{g}}$$' is current flowing through it which produces full scale de...

MHT CET 2021 20th September Evening Shift

In potentiometer experiment, null point is obtained at a particular point for a cell on potentiometer wire '$$\mathrm{x}$$' cm long. If length of pote...

MHT CET 2021 20th September Morning Shift

A galvanometer of resistance $$50 \Omega$$ is converted to an ammeter. After shunting, the effective resistance of ammeter is $$2.5 \Omega$$. The valu...

MHT CET 2021 20th September Morning Shift

Consider the circuit shown in the figure. The value of current 'I' is
...

MHT CET 2020 19th October Evening Shift

A milliammeter of resistance $40 \Omega$ has a range $0-30 \mathrm{~mA}$. What will be the resistance used in series to convert it into voltmeter of r...

MHT CET 2020 19th October Evening Shift

Two cells having unknown emfs $E_1$ and $E_2$ $\left(E_1>E_2\right)$ are connected in potentiometer circuit, so as to assist each other. The null poin...

MHT CET 2020 19th October Evening Shift

A 10 m long wire of resistance $20 \Omega$ is connected in series with a battery of emf 3 V and a resistance of $10 \Omega$. The potential gradient al...

MHT CET 2020 19th October Evening Shift

Two galvanometers $A$ and $B$ require currents of 4 mA and 7 mA , respectively to produce the same deflection of 20 divisions. If $S_A$ and $S_B$ are ...

MHT CET 2020 16th October Evening Shift

A circular coil of radius $$R$$ has a resistance of $$40 \Omega$$. Figure shows two points $$P$$ and $$Q$$ on the circumference separated by a distanc...

MHT CET 2020 16th October Evening Shift

Which of the following instruments is not a direct reading instrument?

MHT CET 2020 16th October Evening Shift

In conversion of moving coil galvanometer into an ammeter of required range, the resistance of ammeter, so formed is
[$$S=$$ shunt and $$G=$$ resistan...

MHT CET 2020 16th October Morning Shift

An ammeter of resistance $$20 \Omega$$ gives full scale deflection, when $$1 \mathrm{~mA}$$ current flows through it. What is the maximum current that...

MHT CET 2020 16th October Morning Shift

Two wires $$A$$ and $$B$$ of equal lengths are connected in left and right gap of a meter bridge, null point is obtained at $$40 \mathrm{~cm}$$ from l...

MHT CET 2020 16th October Morning Shift

A potentiometer wire is $$4 \mathrm{~m}$$ long and potential difference of $$3 \mathrm{~V}$$ is maintained between the ends. The emf of the cell, whic...

MHT CET 2019 2nd May Morning Shift

In moving coil galvanometer, strong horse shoe magnet of concave shaped pole pieces is used to

MHT CET 2019 2nd May Morning Shift

For a metallic wire, the ratio of voltage to corresponding current is

MHT CET 2019 2nd May Morning Shift

A galvanometer has resistance of $100 \Omega$ and a current of 10 mA produces full scale deflection in it. The resistance to be connected in series, t...

MHT CET 2019 2nd May Morning Shift

The circuit in 1$$\Omega$$ resistor in the following circuit is
...